The ST leads a revised Focus range that includes refreshed styling, inside and out, and additional technology.

Under the bonnet, though, things are unchanged; it's still the same 184kW/360Nm 2.0-litre turbocharged four-cylinder petrol engine mated to a six-speed manual transmission.

Ford has added stop-start functionality for 2015 to improve fuel consumption – albeit by a scant 0.1-litres per 100km to 7.3L/100km.

While it falls short of the new Astra VXR in outright grunt, it doesn't lack for performance, with plenty of punch throughout the rev range. Getting so much power to the road through the front wheels remains a challenge though and torque steer (the feeling of the steering wheel trying to pull out of your hand) remains a common problem.

Ford's 2015 Focus ST sports a new look but still packs the same punch under the bonnet. Photo: Supplied

The six-speed manual is a slick unit with a good action and is well suited to getting the best out of the engine. But the lack of an automatic option continues in 2015 and will rule the Focus ST out for a lot of potential customers.

Mechanical changes for the 2015-model have been focused on the suspension. The front springs and shock absorbers have been changed in a bid to improve driving engagement – even though that was one of the strengths of the old model.

In fact, Ford could have tried to make the ride more compliant for daily duties as the firm suspension tends to jar over big bumps, creating a hard ride.

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Thankfully the old model's brilliantly responsive steering remains in place, giving the driver immediate action and plenty of feedback.

Ford have made an already fun and engaging hot hatch even more enjoyable to drive over some twisting mountain roads – but there is still scope to improve its day-to-day liveability.

In terms of styling, the new ST gets a more sculpted bonnet, slimmer headlights and new rectangular fog lamps.

There are more design improvements inside, where the old model's busy, button-heavy dash has been replaced by a simpler, cleaner looking interface. That is in large part thanks to the introduction of Ford's SYNC2 infotainment system that centralises control of the airconditioning, navigation, audio system and telephone connectivity to an eight-inch touchscreen.

It also accepts voice commands, so not only does it make the interior look better, it is also easy to use.

The ST-specific gauges for turbo boost pressure, oil temperature and pressure remain to give it a sporty feel. The body-hugging Recaro sports seats are from the old model, which is another plus.

Unfortunately the cabin still has too many hard, cheap-looking plastics that spoil the premium feel.

The new features come with a $700 price increase, taking it to $38,990 plus on-road costs – which is cheaper than the manual Astra VXR and Golf GTI.

Our first drive of the 2015 Focus ST showed Ford had managed to retain the strengths of the old model – powerful engine and an engaging driving experience – but improved on some of its weaknesses, namely interior design. But will that be enough to knock off the likes of the Golf GTI and more powerful Astra VXR?